import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################
mod = 998244353
n,m,k = na()

s = [i-1 for i in na()]
a = [i for i in na()]
b = [i for i in na()]
dp = [[0 for j in range(k+1)]for i in range(n+1)]
dp[0][0] = 1
f = [[-1 for j in range(m+1)] for i in range(n+1)]

for i in range(n):
    for j in range(m):
        f[i+1][j] = f[i][j]
    f[i+1][s[i]] = i

for i in range(1, n+1):
    c = [0] * (k+1)
    for j in range(k+1):
        c[j] += dp[i-1][j]
        c[j] %= mod
    if f[i-1][s[i-1]] != -1:
        for j in range(k+1):
            c[j] -= dp[f[i-1][s[i-1]]][j]
            c[j] %= mod
    #print(f[i-1][s[i-1]], i-1, c)
    
    for j in range(k+1):
        if j + a[s[i-1]] <= k:
            dp[i][j+a[s[i-1]]] += c[j]
            dp[i][j+a[s[i-1]]] %= mod
        if j + b[s[i-1]] <= k:
            dp[i][j+b[s[i-1]]] += c[j]
            dp[i][j+b[s[i-1]]] %= mod
    for j in range(k+1):
        dp[i][j] += dp[i-1][j]
        dp[i][j] %= mod
    #print(*dp[i])
print(dp[-1][-1])